official pointed out to me, there are times when we've wanted to revoke a passport or visa, and the fbi says, no, don't, we want to follow this guy. they did not revoke the visa. the one glitch that appears to have occurred is that on the original alert sent to washington, it was not mentioned that he even had a visa. now, presumably that became part of his profile in this database, but not in the original alert. >> all right. margaret warner, thanks a lot. >> we'll have more >> ifill: we'll have more on the failed bomb plot later in the program. but first, for the other news of the day. here's hari sreenivasan in our newsroom. hari. >> sreenivasan: the death toll from a deadly suicide bombing in pakistan, grew to 43 today. thousands gathered in central karachi for funerals from yesterday's attack. it struck a shiite procession marking the holy day of ashoura. authorities appealed for calm today after shiites rioted in the wake of the bombing. in afghanistan there was word an afghan soldier shot and killed a us soldier, at a base in the west. afghan authorities said a member of the afgh